Today's Message Index:
----------------------
1. 03:13 AM - Flap Bracket Question (Smitty)
2. 04:15 AM - Re: Flap Bracket Question (cliff)
3. 04:59 AM - how do I unsubscribe from this list? (Simon Bromiley)
4. 09:10 AM - Re: RV-7 engine/prop options (Darwin N. Barrie)
5. 09:10 AM - Re: Flap Bracket Question (Dan Checkoway)
6. 10:06 AM - Re: RV-7 engine/prop options (J. Brunke)
Message 1
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| Subject: | Flap Bracket Question |
I'm trying to rivet the top angle piece on to the flap bracket and rib
and my offset rivet set and rivet gun won't fit between the ribs for the
center flap bracket. What did you guys do? Here's a pic:
http://smittysrv.com/images/flapbracket.jpg
Thanks!
Smitty
http://SmittysRV.com
Message 2
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| Subject: | Re: Flap Bracket Question |
I f I remember correctly I made up a back riveting bar that would fit
and back riveted those that I could not reach.
Cliff Lotter
----- Original Message -----
From: Smitty
To: rv7-list@matronics.com
Sent: Thursday, April 26, 2007 12:12 PM
Subject: RV7-List: Flap Bracket Question
I'm trying to rivet the top angle piece on to the flap bracket and rib
and my offset rivet set and rivet gun won't fit between the ribs for the
center flap bracket. What did you guys do? Here's a pic:
http://smittysrv.com/images/flapbracket.jpg
Thanks!
Smitty
http://SmittysRV.com
Message 3
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| Subject: | how do I unsubscribe from this list? |
----- Original Message -----
From: cliff
To: rv7-list@matronics.com
Sent: Thursday, April 26, 2007 9:14 PM
Subject: Re: RV7-List: Flap Bracket Question
I f I remember correctly I made up a back riveting bar that would fit
and back riveted those that I could not reach.
Cliff Lotter
----- Original Message -----
From: Smitty
To: rv7-list@matronics.com
Sent: Thursday, April 26, 2007 12:12 PM
Subject: RV7-List: Flap Bracket Question
I'm trying to rivet the top angle piece on to the flap bracket and
rib and my offset rivet set and rivet gun won't fit between the ribs for
the center flap bracket. What did you guys do? Here's a pic:
http://smittysrv.com/images/flapbracket.jpg
Thanks!
Smitty
http://SmittysRV.com
href="http://www.matronics.com/Navigator?RV7-List">http://www.matronics
.com/Navigator?RV7-List
href="http://forums.matronics.com">http://forums.matronics.com
Message 4
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| Subject: | Re: RV-7 engine/prop options |
I haven't read all of the posts on this but I wanted to comment on this
thread. This is my experience with the good and bad and 100% honest. I
have a RV7 with ECI IO 360, dual Pmag set up with Precision FI system.
Nothing hopped up or fancy on the engine. My prop is the Whirlwind
200RV. I purchased mine from Whirlwind before they were sold to Titan
aircraft.
As has been noted, the 200 RV was designed for RV airframe. Specifically
I cannot say what type of testing or research was done, but from the
performance it clearly works.
On initial flights I was getting significant surging with the prop. If
the throttle was applied slowly there was no issues. If applied quickly
there was a lag then the prop would grab. The best analogy I can give
you, it was like driving a manual transmission car and after getting
rolling you just suddenly let out the last little bit of clutch to get a
little jolt.
At 55 hours and on my last flight before breaking down for paint, a seal
went out in the hub. I initially got a little oil on the windshield.
After landing and shutting down I noticed oil pouring out of the front
of the hub. I took the prop off and boxed it and sent to the new WW.
Greg called me and let me know a seal was apparently installed
improperly during the hub manufacture. He said the seal was most likely
causing the surging. No coverups but an honest evaluation of the problem
and the fix.
The other known problem with the WW has been with the spinner backplate
brackets. I to has this problem but this to was taken care of with
minimal discomfort and down time.
Now the performance. Another 7 is based at my airport with the same
engine. His weighs probably 50lbs less. He has the Hartzell BA prop. At
the same power settings my plane will run away from his.
I had the prop dynamically balanced a couple of weeks ago and the
balancer got it to 0.00. He said he has never got one perfect. He also
noted the blades track better than anything he has seen.
Another performance story. Robbie Attaway, (Attawayair.com) has a 6 with
considerably worked ECI IO 360 with the ECI cold air sump and their FI
system. He initially had a Hartzel BA on it. He wanted more speed and
spent ton of money on an Aerocomposites prop. He did not get the
performance he thought he would couple with a couple of structural
issues so he returned it and ordered another Hartzel. The Hartzel lead
time was 4-5 months.
One of my neighbors has a WW 200RV for his plane as was not going to be
using for a while. Robbie put it on his plane and using his words, "the
airplane came to life." He said the plane is considerably faster and
smoother. After only a few hours, he ordered a WW 200RV. Within a few
weeks he had the prop and couldn't be happier.
Many will continue to go with the Hartzel because it seems like "the
standard." If you want a superior prop in performance and smoothness
consider the WW. The company is great to work with. There availability
and service is excellent. This is a big company that isn't going
anywhere. Give them a look.
Robbie will be happy to talk to you about his experiences. He can be
contacted through his web site, www.attawayair.com
Darwin N.Barrie
Chandler AZ
RV7 N717EE
Message 5
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| Subject: | Re: Flap Bracket Question |
What did I do to fix that?
I built an RV-7! 8^)
You're talkin' about an RV-9 wing on the RV-7 list. Give Van's a call
and I suspect they'll authorize use of a blind rivet there (I won't
pretend I know which type they'll recommend).
)_( Dan
----- Original Message -----
From: Smitty
To: rv7-list@matronics.com
Sent: Thursday, April 26, 2007 3:12 AM
Subject: RV7-List: Flap Bracket Question
I'm trying to rivet the top angle piece on to the flap bracket and rib
and my offset rivet set and rivet gun won't fit between the ribs for the
center flap bracket. What did you guys do? Here's a pic:
http://smittysrv.com/images/flapbracket.jpg
Thanks!
Smitty
http://SmittysRV.com
Message 6
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| Subject: | Re: RV-7 engine/prop options |
Darwin,
Thanks for the input. Do you know of anyone who has put an extension on
the Whirlwind for use with a James Cowling?
John Brunke
----- Original Message -----
From: Darwin N. Barrie
To: rv7-list@matronics.com
Sent: Thursday, April 26, 2007 10:09 AM
Subject: Re: RV7-List: RV-7 engine/prop options
I haven't read all of the posts on this but I wanted to comment on
this thread. This is my experience with the good and bad and 100%
honest. I have a RV7 with ECI IO 360, dual Pmag set up with Precision FI
system. Nothing hopped up or fancy on the engine. My prop is the
Whirlwind 200RV. I purchased mine from Whirlwind before they were sold
to Titan aircraft.
As has been noted, the 200 RV was designed for RV airframe.
Specifically I cannot say what type of testing or research was done, but
from the performance it clearly works.
On initial flights I was getting significant surging with the prop. If
the throttle was applied slowly there was no issues. If applied quickly
there was a lag then the prop would grab. The best analogy I can give
you, it was like driving a manual transmission car and after getting
rolling you just suddenly let out the last little bit of clutch to get a
little jolt.
At 55 hours and on my last flight before breaking down for paint, a
seal went out in the hub. I initially got a little oil on the
windshield. After landing and shutting down I noticed oil pouring out of
the front of the hub. I took the prop off and boxed it and sent to the
new WW. Greg called me and let me know a seal was apparently installed
improperly during the hub manufacture. He said the seal was most likely
causing the surging. No coverups but an honest evaluation of the problem
and the fix.
The other known problem with the WW has been with the spinner
backplate brackets. I to has this problem but this to was taken care of
with minimal discomfort and down time.
Now the performance. Another 7 is based at my airport with the same
engine. His weighs probably 50lbs less. He has the Hartzell BA prop. At
the same power settings my plane will run away from his.
I had the prop dynamically balanced a couple of weeks ago and the
balancer got it to 0.00. He said he has never got one perfect. He also
noted the blades track better than anything he has seen.
Another performance story. Robbie Attaway, (Attawayair.com) has a 6
with considerably worked ECI IO 360 with the ECI cold air sump and their
FI system. He initially had a Hartzel BA on it. He wanted more speed and
spent ton of money on an Aerocomposites prop. He did not get the
performance he thought he would couple with a couple of structural
issues so he returned it and ordered another Hartzel. The Hartzel lead
time was 4-5 months.
One of my neighbors has a WW 200RV for his plane as was not going to
be using for a while. Robbie put it on his plane and using his words,
"the airplane came to life." He said the plane is considerably faster
and smoother. After only a few hours, he ordered a WW 200RV. Within a
few weeks he had the prop and couldn't be happier.
Many will continue to go with the Hartzel because it seems like "the
standard." If you want a superior prop in performance and smoothness
consider the WW. The company is great to work with. There availability
and service is excellent. This is a big company that isn't going
anywhere. Give them a look.
Robbie will be happy to talk to you about his experiences. He can be
contacted through his web site, www.attawayair.com
Darwin N.Barrie
Chandler AZ
RV7 N717EE
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